Model of rectangular tub for hydro-massage



FIG. 1 is a top perspective view;

FIG. 2 is a top plan view; and

FIG. 3 is a front elevational view; and,

FIG. 4 is a bottom plan view.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for model of rectangular tub for hydro-massage, as shown and described. 